Continuity mistake: When Carol is talking to Angie in the hospital, there is quite a large bloodstain on Carol's sweater, just below her left shoulder. She leaves the room, meets Doug, and without explanation, the bloodstain has disappeared.
Continuity mistake: When Peter goes to his sister's picnic, he puts a pink box on the table and then sits in front of it. When his attention is diverted by a woman, suddenly the box is in front of him.
Continuity mistake: When Jeanie is meeting with her doctor, the doc fills a mug with coffee and puts in on her desk. The mug does a 180-degree turn so that the handle is facing the opposite direction. Another shot - and it's back to the first position.
Continuity mistake: Mark is watching Susan get on the helicopter and he hooks his Flight Physician jacket over his finger so it is hanging over his shoulder completely down his back. However, the shot from behind shows the jacket partially draped over his left shoulder - then it goes back to being down his back.
Continuity mistake: Carter is watching the clock, waiting for Peter to show up for a presentation. The clock jumps from 3:03 to 3:04 in a Split Second (we literally see the minute hand jump)but the second hand doesn't change posiiton.
Continuity mistake: Carters throws his white towel on top of the lockers and it falls to the floor and the locker door closes - but the next shot shows the towel on top of the lockers again and the locker is half-open.
Night Shift - S3-E11
Continuity mistake: When Carter and Doyle are running down a corridor to the patient having a heart attack, the camera follows them along the floor and you can see several coloured lines going down the hall. After we see this, they burst through a double door, and if you look behind them you cannot see these lines anymore; they've simply vanished.
Continuity mistake: Carter is doing a nasogastric intubation on a emergency patient and suddenly the patient violently pukes blood all over Carter's medical gown, his throat and the lower part of the face, then a quick shot of the stunned nurses, and when Carter is shown again he is perfectly clean.
Post Mortem - S3-E12
Continuity mistake: When he's scuffling with the homeless man in the trauma room, Carter's stethoscope slips off his shoulders and drops to the floor. By the time Mark finds him standing outside, it's back around his neck, with no moment when he could have picked it up.
Make a Wish - S3-E21
Continuity mistake: When Peter goes into Carla's room to talk to her, we see him let go of the door, but in the shot showing him entering the room, he is still holding the door.
Answer: A man named Paul Sobriki comes into the ER in the season 6 episode 13 " All in the Family." He is complaining of headaches, Carter and Lucy decide to rule out meningitis and do a lumber puncture. Paul struggles during the procedure and believes that both doctors are stabbing him. Lucy, who is interested in Psych thinks something is wrong with their patient mentally, but Carter is dismissive of her. She gets cross with his attitude and she calls the psych department anyway to have a look at him. Later on and near the closing 20 minutes or so of the episode, all the staff start playing loud music and get a cake which appears to be blue lol, together to party as it's Valentines Day, Carter returns from somewhere and asks where Lucy is. He goes to check one of the rooms for her and Paul Sobriki comes up behind him in the dark and stabs him twice in the lower back, he collapses and as he falls unconscious he sees Lucy on the ground also. In the next episode, Be Still My Heart (ep 14), Dr Weaver discovers them and all of the staff work to try and save them, whilst Carter survives. Lucy's wounds are fatal and suffers a pulmonary embolism as Corday and Romano try to save her. Carter is grief stricken and feels guilty about the way he treated her, he becomes addicted to painkillers and Benton, Greene all help him and book him into rehab.